Attachment Procedure
![](https://www.aymara.cz/wp-content/uploads/2020/09/hardlock_html_me1ddd01.png)
Manually tighten the concave (set) screw.
![](https://www.aymara.cz/wp-content/uploads/2020/09/hardlock_html_m5dad19a3.png)
Use a hex key (Allen wrench) or other general tightening tool to tighten.
![](https://www.aymara.cz/wp-content/uploads/2020/09/hardlock_html_22dd2bc1.png)
Then tighten the convex (lock) screw manually. Make sure that there is a gap of about one pitch between the concave and convex screws before tightening.
![](https://www.aymara.cz/wp-content/uploads/2020/09/hardlock_html_m6501601a.png)
Tighten the convex (lock) screw with a general tightening tool to the specified torque or one turn (360 degrees).
![](https://www.aymara.cz/wp-content/uploads/2020/09/hardlock_html_7d164bf3.png)
The installation is now complete.